Introduction
Our perception of our own voice often differs from what we hear in recordings, leading many to wonder why their recorded voice sounds unfamiliar. The explanation lies in the science of human voice frequencies and the pathways through which sound travels. Understanding these principles can shed light on the distinct experiences of hearing our voice live versus recorded.
Human voice is included with a scope of sound frequencies and their power designs. Human hear-able tangible framework can perceive frequencies going from 20 Hz through 20,000 Hz (one Hz, called, Hertz, is one full wave each second). We recognize a person by simply listening to his/her voice, even without directly seeing him/her, because of the uniqueness of the combination of vocal audio frequencies, each individual has by birth and by physical development.
How we hear other's voice
When a person speaks or sings, his/her voice carries such a unique sound pattern through air to our ears. Hence, what we listen as the voice of a person is what is carried from his/her voice through air. But there is a difference in how we hear other's voice and how we hear our own voice. We listen to our voice, when we speak aloud, through two carrier routes; one, through the usual aerial medium and the other, through the anatomical system of our own jaws, throat and palate.
Our voice, when we talk out loud, goes out of sight and the sound vibrations in the air are helped through the flying medium to our ears as they are heard by others around us. Our voice, when we talk, is likewise incompletely and at the same time brought to our ears through the physical (mostly muscular) portions of our jaws and sense of taste to our ears since they have a physical (skull) contact to our ears. The center piece of every one of our ears has an opening into our throat through a tract called, 'Eustachian tube' through which also the sounds we make are to some extent conveyed to the ears. Sound frequencies are regulated by the medium they travel through.
Science behind the voice sound difference
Therefore, our own voice, as we speak aloud and hear, is the combined patterns of sound carried to our auditory sensory system through both air and our own mouth (skull) parts. When we record our voice, it is only that kind and portion of our voice which is carried through air that is recorded. It is similar to the one that is heard by others around us. When we listen to such recorded voice of ours, it 'sounds' different because this time our ears get only that part of our voice which has been carried through air and not along with the portion of our voice pattern that would be otherwise reaching them through jaws, palate and Eustachian tube when we speak.
Conclusion
In summary, the disparity between our perceived voice and recorded voice arises from the dual pathways through which we hear ourselves when speaking. While others hear our voice solely through the air, we experience it both through the air and our own anatomical structures. This unique combination alters the sound, making our recorded voice seem different. Understanding this scientific basis demystifies the common experience of surprise at hearing our recorded selves.
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